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Annotation of 43BSD/usr.lib/learn/C/L19.1a, revision 1.1

1.1     ! root        1: #print
        !             2: Write a subroutine which counts the number of times it has
        !             3: been called and returns that count each time.  Name it
        !             4: "count()".  Write it on a file named "count.c".  Compile
        !             5: and test it; type "ready" when happy.
        !             6: #once #create Ref
        !             7: 23080
        !             8: #once #create tzaqc.c
        !             9: main() {
        !            10:        int i;
        !            11:        for (i = 0; i < 23079; i++)
        !            12:                count();
        !            13:        printf("%d\n", count());
        !            14: }
        !            15: #user
        !            16: cc tzaqc.c count.o
        !            17: a.out  >value
        !            18: #cmp value Ref
        !            19: #succeed
        !            20: /*  one way */
        !            21: count()
        !            22: {
        !            23:        static int n = 0;
        !            24:        return(++n);
        !            25: }
        !            26: #log
        !            27: #next
        !            28: 30.1a 10
        !            29: 20.1a 5

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